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MAX5434LEZT+T from MAX,MAXIM - Dallas Semiconductor

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MAX5434LEZT+T

Manufacturer: MAX

32-Tap, Nonvolatile, I²C, Linear, Digital Potentiometers

Partnumber Manufacturer Quantity Availability
MAX5434LEZT+T,MAX5434LEZTT MAX 1349 In Stock

Description and Introduction

32-Tap, Nonvolatile, I²C, Linear, Digital Potentiometers The **MAX5434LEZT+T** is a digital potentiometer manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Digital Potentiometer (DigiPot)  
- **Resolution:** 256 taps  
- **Resistance Range:** 50 kΩ  
- **Interface:** SPI (Serial Peripheral Interface)  
- **Operating Voltage:** 2.7V to 5.5V  
- **Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin TDFN (3mm x 3mm)  
- **Non-Volatile Memory:** No (volatile setting)  
- **End-to-End Resistance Tolerance:** ±20%  
- **Low Power Consumption:** 5µA (standby current)  

### **Descriptions:**  
The **MAX5434LEZT+T** is a digitally controlled variable resistor that replaces mechanical potentiometers. It is designed for precision applications where digital control of resistance is required. The device operates via an SPI interface, allowing microcontrollers or other digital systems to adjust resistance settings.  

### **Features:**  
- **SPI-Compatible Interface** – Supports standard SPI communication.  
- **Wide Operating Voltage** – Works from 2.7V to 5.5V.  
- **Low Power Consumption** – Ideal for battery-powered applications.  
- **Small Form Factor** – 8-pin TDFN package saves board space.  
- **Volatile Memory** – Resistance settings are lost when power is removed.  
- **High Reliability** – No mechanical wear, unlike traditional potentiometers.  

This device is commonly used in applications such as:  
- **Audio volume control**  
- **LCD contrast adjustment**  
- **Programmable voltage references**  
- **Sensor calibration**  

For detailed electrical characteristics, refer to the official datasheet.

Application Scenarios & Design Considerations

32-Tap, Nonvolatile, I²C, Linear, Digital Potentiometers

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